Hardly.

They talked about how additional information learned recently makes it difficult for people to return to the Moon, since we have a higher requirement for safety now than we did in the 1960's.

The business about how a Mars expedition would "take three years" is true for the round trip (assuming something based on a Hohmann orbit), but going back to the Moon would probably not result in any dramatic health problems -- after all, about 18 guys took the trip and survived.